20395169600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{26501}}^1$

素因数の和:26573

約数の個数: 168

約数和(自身を含む): 55508014968

約数和(自身を除く): 35112845368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 37, 40, 50, 52, 64, 65, 74, 80, 100, 104, 130, 148, 160, 185, 200, 208, 260, 296, 320, 325, 370, 400, 416, 481, 520, 592, 650, 740, 800, 832, 925, 962, 1040, 1184, 1300, 1480, 1600, 1850, 1924, 2080, 2368, 2405, 2600, 2960, 3700, 3848, 4160, 4810, 5200, 5920, 7400, 7696, 9620, 10400, 11840, 12025, 14800, 15392, 19240, 20800, 24050, 26501, 29600, 30784, 38480, 48100, 53002, 59200, 76960, 96200, 106004, 132505, 153920, 192400, 212008, 265010, 344513, 384800, 424016, 530020, 662525, 689026, 769600, 848032, 980537, 1060040, 1325050, 1378052, 1696064, 1722565, 1961074, 2120080, 2650100, 2756104, 3445130, 3922148, 4240160, 4902685, 5300200, 5512208, 6890260, 7844296, 8480320, 8612825, 9805370, 10600400, 11024416, 12746981, 13780520, 15688592, 17225650, 19610740, 21200800, 22048832, 24513425, 25493962, 27561040, 31377184, 34451300, 39221480, 42401600, 49026850, 50987924, 55122080, 62754368, 63734905, 68902600, 78442960, 98053700, 101975848, 110244160, 127469810, 137805200, 156885920, 196107400, 203951696, 254939620, 275610400, 313771840, 318674525, 392214800, 407903392, 509879240, 551220800, 637349050, 784429600, 815806784, 1019758480, 1274698100, 1568859200, 2039516960, 2549396200, 4079033920, 5098792400, 10197584800, 20395169600]

約数ペア:

[(1, 20395169600), (2, 10197584800), (4, 5098792400), (5, 4079033920), (8, 2549396200), (10, 2039516960), (13, 1568859200), (16, 1274698100), (20, 1019758480), (25, 815806784), (26, 784429600), (32, 637349050), (37, 551220800), (40, 509879240), (50, 407903392), (52, 392214800), (64, 318674525), (65, 313771840), (74, 275610400), (80, 254939620), (100, 203951696), (104, 196107400), (130, 156885920), (148, 137805200), (160, 127469810), (185, 110244160), (200, 101975848), (208, 98053700), (260, 78442960), (296, 68902600), (320, 63734905), (325, 62754368), (370, 55122080), (400, 50987924), (416, 49026850), (481, 42401600), (520, 39221480), (592, 34451300), (650, 31377184), (740, 27561040), (800, 25493962), (832, 24513425), (925, 22048832), (962, 21200800), (1040, 19610740), (1184, 17225650), (1300, 15688592), (1480, 13780520), (1600, 12746981), (1850, 11024416), (1924, 10600400), (2080, 9805370), (2368, 8612825), (2405, 8480320), (2600, 7844296), (2960, 6890260), (3700, 5512208), (3848, 5300200), (4160, 4902685), (4810, 4240160), (5200, 3922148), (5920, 3445130), (7400, 2756104), (7696, 2650100), (9620, 2120080), (10400, 1961074), (11840, 1722565), (12025, 1696064), (14800, 1378052), (15392, 1325050), (19240, 1060040), (20800, 980537), (24050, 848032), (26501, 769600), (29600, 689026), (30784, 662525), (38480, 530020), (48100, 424016), (53002, 384800), (59200, 344513), (76960, 265010), (96200, 212008), (106004, 192400), (132505, 153920)]